Atmos Bubble and boom! Index measured, not opinion

Alien: Covenant (2017)

DEMO 5.8 · BUBBLE 4.8 · BOOM 7.1 (with BEQ 8.1). Bass measured on the disc, Atmos. Directed by Ridley Scott. Horror, Mystery, Science Fiction.

Alien: Covenant (2017) poster
Front
49%
L85%
51%
R87%
100%
C98%
LFE
9%
LFE24%
Surround
20%
Ls64%
21%
Rs66%
10%
Lrs49%
10%
Rrs50%
Wide
0%
Lw0%
0%
Rw1%
Height
0%
Ltf4%
1%
Rtf10%
2%
Ltm8%
2%
Rtm11%
0%
Ltr0%
0%
Rtr0%

Bar and top figure — level against the film’s most active channel. Bottom figure — share of the runtime the channel carries signal.

DEMO
5.8 / 10
Bubble
4.8 / 10
Boom, as released
7.1 / 10
Boom with BEQ
8.1 / 10
Measured release
Disc · Atmos · chart by aron7awol
Deep bass peak, 10–30 Hz
-23.5 dBFS · with BEQ -19.7
Depth, 10–20 vs 30–60 Hz
+2.0 dB · with BEQ +5.8
Average level, 10–30 Hz
-50.4 dBFS · with BEQ -46.6
Minutes of deep bass
28 min · with BEQ 34 min at ≥ −30 dBFS
Sub-bass warning
the disc peaks at -22.1 dBFS at 10 Hz — top of the field; mind ports and driver excursion
Tomatometer
65% · as of 10 Oct 2024
Metascore
65 / 100 · as of 4 Apr 2025
Chart scale read
-10 to -70 dBFS
Height uptime
3.3%
LFE uptime
12.1% (shown, not scored)
Dynamic range
23.2 dB
Channels used
16 of 16
Genres
Horror, Mystery, Science Fiction
Tags
action, adventure, drama, horror, monster, science fiction
Audio
Atmos
Released
9 May 2017
First listed
4 Dec 2018
Sources
PerceptualPro + BEQ
Render
older, corrected

Channel by channel, through the film

One lane per speaker, the whole film from left to right. Bar height is how loud that speaker gets (square-root scale against this film's loudest moment, so quiet passages stay visible). The amber line under a lane marks the moments counted as playing, and the figure on the right is their share of the film. For the six height speakers that share is part of BUBBLE.

Front
L
85%
R
87%
C
98%
LFE
LFE
24%
Surround
Ls
64%
Rs
66%
Lrs
49%
Rrs
50%
Wide
Lw
0.4%
Rw
0.5%
Height
Ltf
3.7%
Rtf
9.6%
Ltm
7.6%
Rtm
11%
Ltr
0.3%
Rtr
0.4%
0:001:012:02

Read from PerceptualPro's channel-activity graph, pixel by pixel. A lane marked unused never rises out of its line.

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